package userInterface;

import java.lang.reflect.Method;

import javax.swing.JOptionPane;

public class BrowserLauncher {  

	private static final String errMsg = "Error attempting to launch web browser";  

	public static void openURL(String url) {  
		String osName = System.getProperty("os.name");  
		try {  
			if (osName.startsWith("Mac OS")) {  
				Class fileMgr = Class.forName("com.apple.eio.FileManager");  
				Method openURL = fileMgr.getDeclaredMethod("openURL",  
						new Class[] {String.class});  
				openURL.invoke(null, new Object[] {url});  
			}  
			else if (osName.startsWith("Windows"))  
				Runtime.getRuntime().exec("rundll32 url.dll,FileProtocolHandler " + url);  
			else { //assume Unix or Linux  
				String[] browsers = {  
						"firefox", "opera", "konqueror", "epiphany", "mozilla", "netscape" };  
				String browser = null;  
				for (int count = 0; count < browsers.length && browser == null; count++)  
					if (Runtime.getRuntime().exec(  
							new String[] {"which", browsers[count]}).waitFor() == 0)  
						browser = browsers[count];  
				if (browser == null)  
					throw new Exception("Could not find web browser");  
				else  
					Runtime.getRuntime().exec(new String[] {browser, url});  
			}  
		}  
		catch (Exception e) {  
			JOptionPane.showMessageDialog(null, errMsg + ":\n" + e.getLocalizedMessage());  
		}  
	}  
}